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ID

VAR-202109-1365


CVE

CVE-2021-30755


TITLE

Apple Buffer error vulnerabilities in multiple products

Trust: 0.6

sources: CNNVD: CNNVD-202109-387

DESCRIPTION

Processing a maliciously crafted font may result in the disclosure of process memory. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5. An out-of-bounds read was addressed with improved input validation

Trust: 1.08

sources: NVD: CVE-2021-30755 // VULHUB: VHN-390488 // VULMON: CVE-2021-30755

AFFECTED PRODUCTS

vendor:applemodel:tvosscope:ltversion:14.6

Trust: 1.0

vendor:applemodel:macosscope:gteversion:11.0

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vendor:applemodel:macosscope:ltversion:11.4

Trust: 1.0

vendor:applemodel:watchosscope:ltversion:7.5

Trust: 1.0

sources: NVD: CVE-2021-30755

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-30755
value: MEDIUM

Trust: 1.0

CNNVD: CNNVD-202109-387
value: MEDIUM

Trust: 0.6

VULHUB: VHN-390488
value: MEDIUM

Trust: 0.1

VULMON: CVE-2021-30755
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-30755
severity: MEDIUM
baseScore: 4.3
vectorString: AV:N/AC:M/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 8.6
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

VULHUB: VHN-390488
severity: MEDIUM
baseScore: 4.3
vectorString: AV:N/AC:M/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 8.6
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-30755
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.1

Trust: 1.0

sources: VULHUB: VHN-390488 // VULMON: CVE-2021-30755 // CNNVD: CNNVD-202109-387 // NVD: CVE-2021-30755

PROBLEMTYPE DATA

problemtype:CWE-125

Trust: 1.1

sources: VULHUB: VHN-390488 // NVD: CVE-2021-30755

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202109-387

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202109-387

PATCH

title:Apple Repair measures for buffer errors and vulnerabilities in many productsurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=162753

Trust: 0.6

sources: CNNVD: CNNVD-202109-387

EXTERNAL IDS

db:NVDid:CVE-2021-30755

Trust: 1.8

db:CNNVDid:CNNVD-202109-387

Trust: 0.6

db:VULHUBid:VHN-390488

Trust: 0.1

db:VULMONid:CVE-2021-30755

Trust: 0.1

sources: VULHUB: VHN-390488 // VULMON: CVE-2021-30755 // CNNVD: CNNVD-202109-387 // NVD: CVE-2021-30755

REFERENCES

url:https://support.apple.com/en-us/ht212529

Trust: 1.8

url:https://support.apple.com/en-us/ht212532

Trust: 1.8

url:https://support.apple.com/en-us/ht212533

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2021-30755

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/125.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-390488 // VULMON: CVE-2021-30755 // CNNVD: CNNVD-202109-387 // NVD: CVE-2021-30755

SOURCES

db:VULHUBid:VHN-390488
db:VULMONid:CVE-2021-30755
db:CNNVDid:CNNVD-202109-387
db:NVDid:CVE-2021-30755

LAST UPDATE DATE

2024-08-14T15:11:47.516000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-390488date:2021-09-15T00:00:00
db:VULMONid:CVE-2021-30755date:2021-09-15T00:00:00
db:CNNVDid:CNNVD-202109-387date:2021-09-16T00:00:00
db:NVDid:CVE-2021-30755date:2021-09-15T20:16:48.127

SOURCES RELEASE DATE

db:VULHUBid:VHN-390488date:2021-09-08T00:00:00
db:VULMONid:CVE-2021-30755date:2021-09-08T00:00:00
db:CNNVDid:CNNVD-202109-387date:2021-09-08T00:00:00
db:NVDid:CVE-2021-30755date:2021-09-08T14:15:09.977